%%by Enrique

The Unified Modeling Language (UML) was developed in 1994 by unifying
and integrating the most prominent object-oriented modeling approaches:
Booch
Rumbaugh: Object Modeling Technique (OMT)
Jacobson: Object-Oriented Software Engineering (OOSE)
But the UML is too big and expressive language, that why in this proposal we
focus on UML Class Diagrams. A UML Class Diagram is used to represent explicitly the information on a
domain of interest


The UML class diagram models the domain of interest in terms of:
objects grouped into classes;
associations, representing relationships between classes;
attributes, representing simple properties of the instances of classes;
Note: here we do not deal with ``operations''.
sub-classing, i.e., ISA and generalization relationships.

I also talk about the ORM.
